1968年圖勒空軍基地B-52墜毀事件

墜機現場的黑色冰面

1968年美國圖勒空軍基地B-52墜毀事件，是一起發生在1968年1月21日的飛機墜毀事件，事件中一架美國空軍的B-52轟炸機墜毀。這架B-52轟炸機攜帶了4顆氫彈，執行冷戰期間的鉻穹頂行動，在飛越北冰洋的巴芬灣時，因為機艙起火迫使機組人員在迫降前放棄飛機。6名機組人員成功脫險，但其中1名因為沒有彈射座椅，在試圖跳傘時死亡。飛機隨後墜入格陵蘭島西北部美軍圖勒空軍基地附近的北極星海灣，導致4顆氫彈頭破裂並擴散，產生大範圍的放射性污染。

美國和丹麥啟動了一次集中清理和恢復工作，但其中一顆彈頭未被找到。事發後美國戰略空軍的鉻穹頂行動立即終止，這更加突出了此任務的安全和政治風險。隨後一系列的安全措施被加強，並研製出核武器上使用的更穩定的常規炸藥。

1995年，有報告揭發丹麥政府有意對格陵蘭的核武器事故保持緘默，這違反了1957年丹麥的無核區域政策。參與清理的工人因為核輻射產生相關疾病，一直在尋求賠償。2009年3月，時代雜誌認為這次事故是世界上最嚴重的一起核事故。

相關條目

• 1961年B-52同溫層堡壘轟炸機空難

參考資料

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期刊及報告

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• Broken Arrow - Palomares, Spain (PDF). USAF Nuclear Safety (Directorate of Nuclear Safety, United States Air Force). Sep–Oct 1966, 52 [2009-03-23]. （原始內容 (PDF)存檔於2009-03-27）. 
• Broken Arrow - Thule (PDF). USAF Nuclear Safety (Directorate of Nuclear Safety, United States Air Force). Jul–Sep 1968, 60 (1) [2009-03-23]. （原始內容 (PDF)存檔於2009-03-27）. 
• Christensen, Svend Aage. The Thule Accident. Danish Institute for International Studies (DIIS). 2009-08-03 [2009-08-14]. ISBN 978-87-7605-331-4. （原始內容存檔於2012-05-25）. 
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• Juel, Knud. The Thule Episode Epidemiological Followup After the Crash of a B-52 Bomber in Greenland: Registry Linkage, Mortality, Hospital Admissions. Journal of Epidemiological and Community Health (Copenhagen: Danish Institute for Clinical Epidemiology). 1992, 46 (4): 336–9 [2009-04-12]. PMC 1059595 . PMID 1431702. doi:10.1136/jech.46.4.336. 
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網頁

• Agger, Jonathan Søborg & Lasse Wolsgård. A Policy of the Utmost Flexibility: Danish Nuclear Weapons Policy 1956-1960. Danish Historical Association via historisktidsskrift.dk. [2009-05-10]. （原始內容存檔於2015-09-24）. 
• B-52 Crash (PDF). Pentagon: National Military Command Center via Nautilus.org. 1968-01-24 [2009-04-12]. （原始內容 (PDF)存檔於2008-11-20）. 
• B-52 Crash at Thule Air Base (PDF). United States Atomic Energy Commission. 1968-01-22 [2008-11-13]. （原始內容 (PDF)存檔於2011-07-25）. 
• Brooke, James. Greenlanders Wary of a New Role in U.S. Defenses. New York Times. 2000-09-18 [2008-11-11]. （原始內容存檔於2009-04-09）. 
• Corera, Gordon. Radioactive legacy of 'lost bomb'. BBC News. 2008-11-10 [2008-11-15]. （原始內容存檔於2009-03-02）. 
• Corera, Gordon. Mystery of lost US nuclear bomb. BBC News. 2008-11-10 [2008-11-10]. （原始內容存檔於2017-10-23）. 
• Foreign Relations of the United States 1964–1968, Volume XII, Western Europe: Denmark. United States Department of State. [2008-11-12]. （原始內容存檔於2009-06-13）. 
• Broken Arrow. GlobalSecurity.org. 2005-04-28 [2009-06-22]. （原始內容存檔於2020-11-28）. 
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• Kristensen, Hans M. Denmark's Thulegate. The Nuclear Information Project. 2004 [2009-04-21]. （原始內容存檔於2020-08-09）. 
• Kristensen, Hans M. Secrecy On A Sliding Scale: U.S. Nuclear Weapons Deployments And Danish Non-Nuclear Policy. The Nautilius Institute. 1999-10-20 [2009-03-20]. （原始內容存檔於2007-12-31）. 
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• Leyne, Jon. Nuclear bomb 'lost near Greenland'. BBC News. 2000-08-13 [2008-11-15]. （原始內容存檔於2012-04-12）. 
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• Nielsen, S.P.; Roos, P. Thule-2003-Investigation of radioactive contamination. Risø National Laboratory. 2006 [2009-03-20]. （原始內容存檔於2011-07-19）. 
• Petition 720/2002 by Jeffrey Carswell（頁面存檔備份，存於網際網路檔案館）, Committee on Petitions, European Parliament, 2004
• Petition 720/2002 by Jeffrey Carswell（頁面存檔備份，存於網際網路檔案館）, Committee on Petitions, European Parliament, 2007
• Plummer, David W. & William H. Greenwood. The History of Nuclear Weapon Safety Devices (PDF). Albuquerque: Sandia National Laboratories. June 1998 [2011-01-21]. （原始內容存檔 (PDF)於2012-01-31）. 
• Project Crested Ice: The Thule Accident (PDF). History & Research Division, Strategic Air Command (via National Security Archive). 1969-04-23 [2009-03-19]. （原始內容存檔 (PDF)於2009-05-05）. 
• Taagholt, Jørgen & Jens Claus Hansen (Trans. Daniel Lufkin). Greenland: Security Perspectives (PDF). Fairbanks, Alaska: Arctic Research Consortium of the United States: 35–43. 2001 [2011-01-21]. （原始內容存檔 (PDF)於2009-05-05）. 
• Thule Nuclear Weapons Accident: Dose Evaluation Report, United States Air Force Medical Service, April 2001, Report, Retrieved on 2009-03-26
• Vantine, Harry C & Thomas R. Crites. Relevance of Nuclear Weapons Clean-up Experience to Dirty Bomb Response (PDF). Lawrence Livermore National Laboratory. 2003-03-26 [2011-01-21]. （原始內容 (PDF)存檔於2009-03-27）. 

拓展閱讀

• Brink, Poul. Thule-Sagen, Løgnens Univers. Aschehoug. 1997. ISBN 8711150459.  （丹麥文）
• James C. Oskins, Michael H. Maggelet. Broken Arrow - The Declassified History of U.S. Nuclear Weapons Accidents. Lulu. 2008. ISBN 1-4357-0361-8. 

外部連結

• 文件和照片 （丹麥文）
• DoD Mishaps by the Armed Forces Radiobiology Research Institute
• Declassified US government video of clean-up operation（頁面存檔備份，存於網際網路檔案館） BBC
• National Institute for Radiation Protection (Denmark)（頁面存檔備份，存於網際網路檔案館） （丹麥文）
• Thulesundhed.dk website by Ministry of Health and Prevention (Denmark) and the Department of Family and Health (Greenland) covering the impact of plutonium in the Thule area on the health of the local population （丹麥文）